What is the simplified value of $$(8.5-2\frac{1}{2}) \ of \ 16.5-[27.4- \left\{10\frac{1}{4} \ of \ 2.5-(1\frac{1}{2}-1\frac{1}{5}) \right\}]$$ ?

A

97.075

B

99.925

C

96.925

D

101.075